#1 SEC n. [second, sec, s] 1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites. wn
#2 SEC s. [sec, unsweet] (of champagne) moderately dry. wn
#3 SEC n. [secant, sec] ratio of the hypotenuse to the adjacent side of a right-angled triangle. wn
#4 SEC n. [Securities and Exchange Commission] an independent federal agency that oversees the exchange of securities to protect investors. wn
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